Liuar

One of the intelligent species on Rocannon's World.From Rocannon's World:

Liuar (singular Liu): Highly intelligent, fully hominoid, diurnal av. height above 170 cm., this species possesses fortress/village, clan-descent society, a blocked technology (Bronze), and feudal-heroic culture. Note horizontal social cleavage into 2 pseudo-races: (a: Olgyior, "midmen", light-skinned and dark-haired; (b: Angyar, "lords", very tall, dark-skinned, yellow-haired.